MSIME support causing slow setup until explorer.exe paused?

Alexander Dorofeyev alexd4 at
Wed Apr 23 15:53:21 CDT 2008

I've just had something similar. Tried running a game (I think it was the first 
time I ran wine in this session), and suddenly system became sluggish. 
wineserver and explorer were sitting at 50+% and 40+% cpu respectively. Even 
after I killed the game. strace -p on explorer was also showing lots of these 

writev(3, [{"l\0\0\0*\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 
64}, {"M\0S\0I\0M\0E\0R\0e\0c\0o\0n\0v\0e\0r\0t\0R\0e\0"..., 42}], 2) = 106
read(4, "\0\0\0\0\0\0\0\0\3\300\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64)

and other stuff like that (registry keys). Any specific steps that can be taken 
to narrow it down? This is unfortunately kind of random and not readily 
reproducible, after killing wineserver I don't see this any more.

Dan Kegel wrote:
> On Mon, Apr 21, 2008 at 1:59 PM, Dan Kegel <dank at> wrote:
>>  >   MSIMEService, MSIMEReconvertOptions, MSIMEMouseOperator, etc... those are
>>  > all Messages that Microsoft Office looks for and sends to the IME during
>>  > operations.  For the most part all those messages are just stubbed.
>>  >
>>  >   The messages are Registered in Imm32/imm.c once per process, and also
>>  > registered in winex11.drv/ime.c also once per process. I am pretty sure we
>>  > do not send those messages somewhere. So I am not sure why they would be
>>  > taking up so much cpu time.
>>  >
>>  >  Do you know what is happening with the messages during the slow-down?
>>  Oddly, they don't seem to be happening on Dapper.  I'll try again on
>>  Gutsy tonight.  (Chris Smith says he saw something like this with
>>  iTunes on gentoo today, too.)
> Not happening on the original machine anymore, either.  If I catch it acting
> up again, I'll get a better log.

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